Non-PVC coextruded medical grade port tubing
US5356709A · kind A · utility
99Cited by
30References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1992 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | May 14, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an improved coextruded medical grade port tubing. The medical grade port tubing provides characteristics that are desirable in the medical industry and therefore can be used as a medical port tubing in, for example, renal therapy or blood donor tubes. To this end, the present invention provides a non-PVC coextruded medical grade port tubing including: an outer layer comprising a blend of polypropylene copolymer and styrene-ethylene-butylene-styrene copolymer; a tie layer; and a core layer including a blend of polyamide and ethylene vinyl acetate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.